131-xxx Regulator movement with chime and pendulum. Subgroups 131-070 8-day spring movement with pendulum, winding and hand-setting at the front. 1h and 1/2 hour strike.type of strike: 2 hammer, Double bells Ø 46/51mmFixing: by 3 straps Dimensions: Ø 90mmdepth: 57mmMinute hole: 2.0 x 2.0 mmHour hole: Ø 4.5 mm Mounting drawing namependulum lengthtype of strikeVersionmanufactureritem No.131-07018cm2 bellsregulator movementHermle180080131-07021cm2 bellsregulator movementHermle180081 131-041 8-day spring movement with pendulum, winding and hand-setting at the front. 1h and 1/2 hour strike.type of strike: 1 hammer behind, SpiralFixing: by 3 straps Dimensions: Ø 90mmdepth: 57mmMinute hole: 2.0 x 2.0 mmHour hole: Ø 4.5 mm Mounting drawing namependulum lengthtype of strikeVersionmanufactureritem No.131-04125cmspiralregulator movementHermle180062
